Windows 10: Dual boot windows 10 and 7 on seperate drives

Discus and support Dual boot windows 10 and 7 on seperate drives in Windows 10 Installation and Upgrade to solve the problem; I want to set up a dual boot system with windows 10 and 7. I have both already installed on separate drives in my desktop system and was wondering if... Discussion in 'Windows 10 Installation and Upgrade' started by TT16, Mar 21, 2016.

  1. TT16 Win User

    Dual boot windows 10 and 7 on seperate drives


    I want to set up a dual boot system with windows 10 and 7. I have both already installed on separate drives in my desktop system and was wondering if it is still possible to set up a dual boot. Now I just switch boot priority in BIOS, but sometimes when I start up 7 it wants to perform a chkdsk. I always aboard these since it screwed up one of my drives before, with unrecoverable data as a result. How do I get it set up so I don't have those chkdsk issues anymore?

    :)
     

  2. I would like to keep Windows 7 and replace Windows 8.1 with Windows 10. Would it be possible to install 10 and keep the dual boot setup with 7?

    * Original Title: Dual Boot

    Hello,

    My computer has Windows 7 and Windows 8.1 installed with a dual boot setup. They are both installed on the same drive(1 TB) with two equal partitions. I would like to keep Windows 7 and replace Windows 8.1 with Windows 10. Would it be possible to install
    10 and keep the dual boot setup with 7?
     
    BrianMcKeigan, Mar 21, 2016
    #2
  3. How do I restore dual boot capability after Windows 10 clean install removed it

    My computer was dual-boot with Windows 7 boot partitions on two separate drives. After upgrading to Windows 10, the dual boot provision worked fine. However after a clean install of Windows 10, dual-boot capability is no longer available. The boot partition
    for the remaining Windows 7 syBistem is intact. Only the dual boot option is gone.

    I tried the changing the default operating system under System Properties/Advanced/Startup and Recovery, but the only choice is Windows 10. Windows 7 isn't a option. I'm guessing that the clean Windows 10 install wiped out access to the dual-boot menu.

    Thanks.

    Bill
     
    B_Phillips, Mar 21, 2016
    #3
  4. NavyLCDR New Member

    Dual boot windows 10 and 7 on seperate drives

    You have to turn off Windows 10 Fast Startup:
    Fast Startup - Turn On or Off in Windows 10 - Windows 10 Forums

    To set up dual booting, in Windows 10, assuming you can see the Windows 7 installation on the other drive, open an elevated ("run as administrator") command prompt. Type

    BCDBOOT E:\Windows /addlast /d

    The path in red will be to the Windows 7 Windows folder.

    You can then set your menu timeout, order of the boot items, and default by holding Win key + R to open run dialog. Run MSCONFIG. Select the boot tab.
     
    NavyLCDR, Mar 21, 2016
    #4
  5. TT16 Win User
    Thank you very much! That was an easy and fast fix, very much appreciated!
     
    TT16, Apr 4, 2018
    #5
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Dual boot windows 10 and 7 on seperate drives

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